OF PLANE GEOMETRY. (CORRESPONDING TO EUCLID, BOOKS I-VI.) PREPARED BY THE ASSOCIATION FOR THE IMPROVEMENT OF GEOMETRICAL TEACHING. FOURTH EDITION, REVISED. London: 1883 [All Rights reserved.] 1832. e. 1 Section 1. Elementary Properties Section 4. A. Tangents (treated directly). SYLLABUS OF GEOMETRICAL CONSTRUCTIONS. I. 2. The following constructions are to be made with the Ruler and Compasses only; the Ruler being used for drawing and producing straight lines, the Compasses for describing circles and for the transference of distances. The bisection of an angle. The bisection of a straight line. 3. The drawing of a perpendicular at a point in, and from a point outside, a given straight line, and the determination of the projection of a finite line on a given straight line. 4. The construction of an angle equal to a given angle; of an angle equal to the sum of two given angles, &c. 5. The drawing of a line parallel to another under various conditions and hence the division of lines into aliquot parts, in given ratio, &c. (a) three sides; (8) two angles and side opposite. |